4. -Jim, come out. Let’s go to play football.

　　 -Sorry. I’m _______ a maths problem.

　　 A. working out　　　　　　　　　　 B. working on　　　　　　　 C. working for

3. Don’t _________ the dog. it’s dangerous, it’ll bite you.

　　 A. play with　　　　　　　　 B. play　　　　　　　　　 C. play for

2. -Could you please go to the movies with me tonight?

　　 -Sorry, my mother is ill in bed, and I have to ________ her.

　　 A. take care of

　　 B. take a walk with

　　 C. take over

1. -What a dirty room! You shouldn’t throw your waste things everywhere.

　　 -Oh, I am sorry, I am going to ________ and put them in the waste box.

　　 A. fold my clothes

　　 B. take out the trash

　　 C. watch TV

　　 A. Could I invite my friends to my birthday party on Saturday, Mom?

　　 B. Of course! ____1____.

　　 A. Yeah, Um… ____2____.

　　 B. What for?

　　 A. ____3____.

　　 B. Well, I am shopping tomorrow. And I can buy some drinks and snacks for you.

　　 A. Oh, good. Thank you, Mom.

　　 B. You’re welcome. Oh, could you clean your room?

　　 A. ____4____.

　　 B. You need to clean it again for your party.

　　 A. Ok, but I need to do my homework first.

　　 B. That’s right. After you finish your homework, let’s clean the room. I can sweep the floor and do the dishes.

　　 A. ____5____.

　　 B. Yes, sure.

5. A: ________ you sweep the floor?

　　 B: But I ________ finish my homework first.

4. A: ________ you help me do the shopping.

　　 B: OK, Sure.

3. A: ________ I use your eraser, Bill?

　　 B: Sorry. I don’t have one. Ask Mary. She _________ have one.

2. A: ________ I ask a question?

　　 B: Yes, you ________. But you ________ wait, a minute.

1. A: ________ you answer the question in English?

　　 B: Sorry, I ________. ________ I answer it in English?

　　 A: No, you ________. You ________ answer it in Chinese.